Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
ICP
Furnace

Model # NTN3125KJA1 Official ICP gas furnace

Here are the diagrams and repair parts for Official ICP NTN3125KJA1 gas furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Installation guide

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 55 parts  |
Cont Fan Tmr 1009838
#6

Replacement parts diagram

Cont fan tmr

Part #1009838

Replaced by #1170063

?
Manufacturer substitution
This part replaces 1009838. Substitute parts can look different from the original.
$220.46 | 
5% OFF Phone Price : $232.46
In Stock
Module 1005651
#6A

Replacement parts diagram

Module

Part #1005651

The manufacturer no longer makes this part, and there's no substitute part

Furnace Burner 1008726
#10

Replacement parts diagram

Furnace burner

Part #1008726

$142.32
In Stock
Limit Switch 1000735
#3

Replacement parts diagram

Limit switch

Part #1000735

Replaced by #1013105

?
Manufacturer substitution
This part replaces 1000735. Substitute parts can look different from the original.
This item is not returnable
$15.14
In Stock
Rail Galv Bl 57059
#BB

Replacement parts diagram

Rail galv bl

Part #57059

$952.55
In Stock
Conv Kit 1160992

#NI

All parts diagram

Conv kit

Part #1160992

$103.50
In Stock
Shield 1011337
#K

Replacement parts diagram

Shield

Part #1011337

$12.20
In Stock
Baffle 707010031
#DD

Replacement parts diagram

Baffle

Part #707010031

$49.47
In Stock
Gskt Htx Bnr 2480907
#22

Replacement parts diagram

Gskt htx bnr

Part #2480907

This item is not returnable
$7.46
In Stock
Clamp Capctr 1095020
#AA

Replacement parts diagram

Clamp capctr

Part #1095020

$100.98
In Stock

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

View all
How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Read more
Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More